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MERSEN FUSE US 273I M226423
The UltraSafe™ US273I fuse holder provides secure and reliable protection for both AC and DC circuits up to 800V, accommodating standard 27×60 mm fuses with a robust 3-pole design and visual indicator.
£161.57
Why Choose the Mersen M226423 UltraSafe™ Modular Fuse Holder?
The Mersen M226423 is a premium three-pole modular fuse holder engineered for the safe installation of 27 × 60 mm cylindrical fuse links. Also identified by catalogue number US273I, it forms part of the renowned Mersen Modulostar® CMS27 UltraSafe™ series, delivering dependable circuit protection, finger-safe operation and simplified maintenance for industrial electrical installations.
Designed for demanding industrial environments, the M226423 features an integrated visual blown fuse indicator, IP20 finger-safe protection and Faston lug terminals for secure electrical connections. Its durable thermoplastic construction offers excellent mechanical strength and long service life while supporting high-voltage AC and DC applications.
Rated at 140 A with voltage ratings of up to 800 V AC / 800 V DC, the M226423 provides a reliable solution for panel builders, OEMs and industrial maintenance engineers requiring safe, modular fuse protection across three phases.
Key Advantages
- Heavy-duty three-pole modular fuse holder.
- Designed for 27 × 60 mm cylindrical fuse links.
- 800 V AC / 800 V DC IEC and UL rated.
- 140 A conventional thermal current.
- Integrated visual blown fuse indicator.
- IP20 finger-safe construction improves operator safety.
Key Features
- Mersen Modulostar® CMS27 UltraSafe™ series.
- Catalogue number US273I.
- Three-pole configuration.
- Compatible with 27 × 60 mm cylindrical fuse links.
- Visual blown fuse indication.
- Faston lug terminals.
- IP20 finger-safe protection.
- Suitable for DIN rail mounting.
- Field-expandable using Mersen pole assembly kits.
- Compatible with optional auxiliary microswitches.
Safe Three-Phase Fuse Protection
The Mersen M226423 provides secure mounting for three 27 × 60 mm cylindrical fuse links while ensuring safe fuse replacement through its finger-safe IP20 design. The integrated visual indicator allows maintenance personnel to identify an operated fuse quickly, reducing diagnostic time and minimising equipment downtime.
As part of the Modulostar® UltraSafe™ range, the M226423 is designed for industrial switchgear, control panels and OEM machinery where dependable multi-phase circuit protection and straightforward maintenance are essential.
Typical Applications
- Industrial control panels.
- Three-phase power distribution systems.
- Variable frequency drives.
- Motor control centres.
- Renewable energy installations.
- OEM machinery and automation equipment.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Indication | Visual indicator | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Fuse Size | 27x60 mm | |
| Voltage | 800 V | |
| Item number | M226423 | |
| Catalogue No | US273I | |
| Description | Fuse Holder UltraSafe™ 800VAC 800VDC UL Fuse size 27x60 3-Pole Visual Indicator Faston Lugs IP20 | |
| EAN/UPC Code | 3605340269062 | |
| Rated voltage AC UL | 800 V | |
| Rated voltage DC UL | 800 V | |
| Rated voltage AC IEC | 800 V | |
| Rated voltage DC IEC | 800 V | |
| Ampere Rating | 140 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC/DC | |
| Fuse Size | 27x60 | |
| Design Details | triple pole | |
| Indication System | Yes | |
| Indication System Type | Visual Indicator | |
| Number of Poles | 3-Pole | |
| Torque Rating | 3.5 Nm | |
| Rated Impulse Withstand Voltage | 8 kV | |
| Rated Insulation Voltage | 800 V | |
| Max Power dissipation of Fuse Links Pn | 11 W | |
| Installation Mounting | DIN rail acc. EN 60715 | |
| Product Width | 119.9 mm | |
| Product Length | 93.5 mm | |
| Product Height | 149.4 mm | |
| Sell Pack Quantity | 1 EA | |
| Sell Pack Weight | 0.303 kg | |
| Sell Pack Width | 154.9 mm | |
| Sell Pack Length | 165.1 mm | |
| Sell Pack Height | 100.1 mm | |
| Product group | Fuse Holders | |
| Conventional Free Air thermal Current With Fuse-Links Ith | 140 A | |
| Product Weight | 0.303 kg | |
| HS Code | 85361090 | |
| Country of Manufacture | Tunisia |
Frequently Asked Questions
What is the Mersen M226423 used for?
The M226423 is a three-pole modular fuse holder designed to safely install and support 27 × 60 mm cylindrical fuse links in industrial electrical systems.
What fuse size is compatible with this holder?
The holder is designed for 27 × 60 mm cylindrical fuse links.
What voltage is the M226423 rated for?
The fuse holder is rated for up to 800 V AC and 800 V DC under both IEC and UL standards.
Does the M226423 include a blown fuse indicator?
Yes. It incorporates a visual indicator that provides quick identification when a fuse has operated.
Can the M226423 be used in three-phase installations?
Yes. Its three-pole configuration makes it ideal for protecting three-phase industrial circuits and equipment.
Trusted by Electrical Professionals Worldwide
Mersen Modulostar® UltraSafe™ fuse holders are trusted by electrical engineers and panel builders worldwide for delivering safe fuse installation, reliable electrical performance and long-term durability in demanding industrial environments.
